<template>
  <div id="app">
    <div class="todo-container">
      <div class="todo-wrap">
        <Header :getDoing="getDoing"/>
        <List :todoList="todoList"
              :oneChangeHandle="oneChangeHandle"
              :oneDeleteHandle="oneDeleteHandle"
        />
        <Footer
            :todoList="todoList"
            :checkAllHandle="checkAllHandle"
            :allDeleteHandle="allDeleteHandle"
        />
      </div>
    </div>
  </div>
</template>

<script>
//npm包

//组件
import Header from "@/component/Header";
import Footer from "@/component/Footer";
import List from "@/component/List";
export default {
  name: 'App',
  components:{
    Header,
    Footer,
    List
  },
  data(){
    return{
      todoList:[]
    }
  },
  methods:{
    //1.添加新的动作
    getDoing(newDoing){
      // console.log(this.todoList)
      this.todoList.push(newDoing)
    },
  //  更改选项框点击
    oneChangeHandle(id){
      this.todoList.map(item => {
        return item.chose = item.id===id?!item.chose:item.chose
      })
    },
  // 3. 创建单个删除的方法
    oneDeleteHandle(id){
      const isDelete = confirm('你真的要删除我么？')
      if (!isDelete) return
      // console.log(111)
      this.todoList=this.todoList.filter(item =>item.id !== id)

    },
  //  4.全部选择按钮
    checkAllHandle(v){
      this.todoList = this.todoList.map(item => ({...item,chose:v}))
    },
  //  5.全部删除
    allDeleteHandle(){
      this.todoList = this.todoList.filter( i => !i.chose)
    }
  },
  created() {
    // console.log(localStorage.todoList)
    this.todoList = JSON.parse(localStorage.getItem('todoList')||'[]')
  },
  watch:{
    todoList:{
      deep:true,
      handler(){
        localStorage.setItem('todoList',JSON.stringify(this.todoList))
      }
    }
  }

}
</script>

<style>
/*base*/
body {
  background: #fff;
}

.btn {
  display: inline-block;
  padding: 4px 12px;
  margin-bottom: 0;
  font-size: 14px;
  line-height: 20px;
  text-align: center;
  vertical-align: middle;
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
  border-radius: 4px;
}

.btn-danger {
  color: #fff;
  background-color: #da4f49;
  border: 1px solid #bd362f;
}

.btn-danger:hover {
  color: #fff;
  background-color: #bd362f;
}

.btn:focus {
  outline: none;
}

.todo-container {
  width: 600px;
  margin: 0 auto;
}
.todo-container .todo-wrap {
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 5px;
}

</style>
